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LT8391AHUFD#PBF - Analog Devices

Description: 60V 2MHz Synchronous 4-Switch Buck-Boost LED Driver Controller, 60µA, –40°C to 150°C

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LT8391AHUFD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT8391AHUFD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm × 5mm)_2025
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LT8391AHUFD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm × 5mm)_2025
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LT8391AHUFD#PBF Details

  • Manufacturer Part Number:

    LT8391AHUFD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1712

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Data Input Mode:

    SERIAL

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    2

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    OPEN-DRAIN

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC28,.16X.2,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max:

    60 V

  • Supply Voltage-Min:

    4 V

  • Supply Voltage-Nom:

    12 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LT8391AHUFD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT8391AHUFD involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended. Additionally, it's essential to follow the layout guidelines provided in the datasheet and application notes.
  • The selection of input and output capacitors for the LT8391AHUFD depends on the specific application requirements. In general, low-ESR capacitors with high ripple current ratings are recommended. The input capacitor should be able to handle the input voltage and current, while the output capacitor should be able to handle the output voltage and current. The datasheet provides guidelines for capacitor selection, and it's essential to follow them.
  • The maximum ambient temperature range for the LT8391AHUFD is -40°C to 125°C. However, the device can operate at a junction temperature of up to 150°C. It's essential to ensure that the device is operated within the recommended temperature range to ensure reliable operation and to prevent overheating.
  • Troubleshooting issues with the LT8391AHUFD involves following a systematic approach. First, ensure that the device is properly powered and that the input and output voltages are within the recommended range. Check the PCB layout and ensure that it follows the recommended guidelines. Use an oscilloscope to check the input and output waveforms and to identify any anomalies. Consult the datasheet and application notes for troubleshooting guidelines and common issues.
  • Yes, the LT8391AHUFD is suitable for high-reliability applications. It's a high-performance device with a robust design and a high level of integration. It's manufactured using a reliable process and is tested to ensure that it meets the required specifications. However, it's essential to follow the recommended design and layout guidelines and to ensure that the device is operated within the recommended specifications.

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LT8391AHUFD#PBF Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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